10-day forecast for Devon, PA: 58° to 88°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
88°
Best day: Sunday, August 9
81° · 0.68 in
Worst day: Wednesday, August 12
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0988° / 70°0.02
Morning75°feels 76°
Afternoon88°feels 89°
Evening75°feels 75°
Overnight70°feels 71°
88 °
Devon, Sunday, 9 August
Light rain. High 88°, low 70°.
Pressure30.00 inHg
Wind7.1 mph W
Humidity50%
Visibility6.2 mi
Dew point66°
Mon, 1087° / 72°0.07
Morning76°feels 76°
Afternoon79°feels 79°
Evening81°feels 85°
Overnight74°feels 73°
87 °
Devon, Monday, 10 August
Rain. High 87°, low 72°.
Pressure30.00 inHg
Wind7.1 mph W
Humidity50%
Visibility6.2 mi
Dew point65°
Tue, 1186° / 71°0.1
Morning74°feels 76°
Afternoon84°feels 88°
Evening80°feels 83°
Overnight72°feels 73°
86 °
Devon, Tuesday, 11 August
Rain. High 86°, low 71°.
Pressure29.91 inHg
Wind5.3 mph W
Humidity61%
Visibility6.2 mi
Dew point69°
Wed, 1281° / 71°0.68
Morning72°feels 73°
Afternoon79°feels 79°
Evening75°feels 76°
Overnight73°feels 74°
81 °
Devon, Wednesday, 12 August
Heavy rain. High 81°, low 71°.
Pressure29.80 inHg
Wind8.7 mph W
Humidity64%
Visibility6.2 mi
Dew point67°
Thu, 1386° / 69°0
Morning77°feels 78°
Afternoon84°feels 85°
Evening73°feels 73°
Overnight70°feels 70°
86 °
Devon, Thursday, 13 August
Overcast. High 86°, low 69°.
Pressure29.77 inHg
Wind12.9 mph NW
Humidity48%
Visibility—
Dew point62°
Fri, 1477° / 65°0.01
Morning68°feels 68°
Afternoon76°feels 75°
Evening69°feels 69°
Overnight65°feels 64°
77 °
Devon, Friday, 14 August
Light rain. High 77°, low 65°.
Pressure29.97 inHg
Wind8 mph N
Humidity38%
Visibility—
Dew point48°
Sat, 1578° / 59°0
Morning65°feels 64°
Afternoon74°feels 74°
Evening69°feels 68°
Overnight63°feels 62°
78 °
Devon, Saturday, 15 August
Clear. High 78°, low 59°.
Pressure30.18 inHg
Wind10.2 mph N
Humidity36%
Visibility—
Dew point45°
Sun, 1680° / 58°0
Morning67°feels 65°
Afternoon79°feels 78°
Evening71°feels 70°
Overnight66°feels 65°
80 °
Devon, Sunday, 16 August
Clear. High 80°, low 58°.
Pressure30.27 inHg
Wind5.7 mph N
Humidity34%
Visibility—
Dew point47°
Mon, 1781° / 63°0
Morning70°feels 70°
Afternoon80°feels 81°
Evening73°feels 74°
Overnight71°feels 71°
81 °
Devon, Monday, 17 August
Overcast. High 81°, low 63°.
Pressure30.15 inHg
Wind10 mph S
Humidity49%
Visibility—
Dew point58°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Devon, PA around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.